Cap opener



FIG. 1 is a perspective view of the cap opener showing the new design;

FIG. 2 is a left side elevational view thereof, the right side elevational view, the front and rear elevational views being the same as the left side elevation view;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

CLAIM The ornamental design for a cap opener, as shown and described. 